<template>
	<section>
		<!--工具条-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true" :model="filters">
				<el-form-item>
					<el-input v-model="filters.keyword" placeholder="请输入"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" v-on:click="search">查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">新增</el-button>
				</el-form-item>
			</el-form>
		</el-col>

    <el-table :data="employees" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">

      <!--这是elementui提供的选择框，此选择框可以多选-->
      <el-table-column type="selection" width="55">
      </el-table-column>

      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="username" label="员工姓名" width="120" >
      </el-table-column>
      <el-table-column prop="phone" label="员工电话" width="150" >
      </el-table-column>
      <el-table-column prop="email" label="员工邮箱" width="150" >
      </el-table-column>
      <el-table-column prop="age" label="员工年龄" width="100" >
      </el-table-column>
      <el-table-column prop="state" label="员工状态" width="100" sortable>
        <!--scope：获取这一行的所有字段数据-->
        <template scope="scope">
          <span style="color: green" v-if="scope.row.state === 1">开启</span>
          <span style="color: red" v-else-if="scope.row.state === 0">关闭</span>
          <span v-else>未知</span>
        </template>
      </el-table-column>

      <el-table-column prop="department.name" label="所属部门"  >
      </el-table-column>

      <el-table-column label="操作" width="150">
        <template scope="scope">
          <el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

		<!--工具条-->
		<el-col :span="24" class="toolbar">
      <!--
        disabled：是否不可点击
          true：不可点击
          false：可点击
      -->
			<el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
			<el-pagination layout="prev, pager, next" @current-change="handleCurrentChange" :current-page="currentPage" :page-size="pageSize" :total="total" style="float:right;">
			</el-pagination>
		</el-col>

		<!--新增或者编辑界面
		    v-model：在1.X的时候是控制此标签是否展示，但是2.X之后是双向绑定
		    :rules="editFormRules"：表单校验规则绑定那个规则对象
		      prop="name"：此字段运用表单校验规则中的那个规则
		-->
		<el-dialog :title="title" :visible.sync="editFormVisible" :close-on-click-modal="false">
			<el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">
				<el-form-item label="员工名称" prop="username">
					<el-input v-model="editForm.username" auto-complete="off"></el-input>
				</el-form-item>
        <el-form-item label="员工电话" prop="phone">
          <el-input v-model="editForm.phone" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="员工邮箱" prop="email">
          <el-input v-model="editForm.email" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="员工年龄" prop="age">
          <el-input v-model="editForm.age" auto-complete="off"></el-input>
        </el-form-item>

        <el-form-item label="所属部门">
          <el-cascader
              v-model="editForm.parent"
              :options="options"
              :props="{ checkStrictly: true ,value:'id',label:'name'}"
              clearable></el-cascader>
        </el-form-item>
			</el-form>

      <el-form-item label="是否启用">
        <el-radio-group v-model="editForm.state">
          <el-radio class="radio" :label="1">启用</el-radio>
          <el-radio class="radio" :label="0">禁用</el-radio>
        </el-radio-group>
      </el-form-item>

			<div slot="footer" class="dialog-footer">
				<el-button @click.native="editFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
			</div>
		</el-dialog>

	</section>
</template>

<script>
	import util from '../../common/js/util'
	//import NProgress from 'nprogress'
	import { getEmployeeListPage, removeEmployee, batchRemoveEmployee, editEmployee, addEmployee } from '../../api/api';

	export default {
		data() {

			return {
        dirPath:'',
        options: [],
				filters: {
					keyword: ''
				},

				total: 0,
				currentPage: 1,
				pageSize: 5,
				listLoading: false,

				sels: [],//列表选中列
        title:"",
				editFormVisible: false,//编辑界面是否显示
				editLoading: false,
        // 表单校验规则
				editFormRules: {
          username: [
            // 为空校验
						{ required: true, message: '请输入员工名称', trigger: 'blur' }
					],
          phone: [
            // 为空校验
            { required: true, message: '请输入员工编号', trigger: 'blur' }
          ],
          email: [
            // 为空校验
            { required: true, message: '请输入员工邮箱', trigger: 'blur' }
          ],
          age: [
            // 为空校验
            { required: true, message: '请输入员工年龄', trigger: 'blur' }
          ]
				},
				//编辑界面数据
				editForm: {
          id:null,
          username:"",
          phone:"",
          age:"",
          state:0,
          email:"",
          parent:{},
          department:{}
				},
        employees:[],


			}
		},
		methods: {

      // 获取全部部门树的数据
      getEmployeeTree(){
        this.$http.get("/employee/tree")
            .then(result=>{
              console.log(result)
              this.options=result.data
            })
      },


      // 高级查询函数
      search(){
        // 如果是高级查询，为了避免用户的数据不够展示，我们需要初始化页码为1，不管有没有其他页数据，我们默认展示第一页
        this.currentPage = 1;
        // 页面初始化完成之后，直接调用查询列表数据函数即可
        this.getEmployees();
      },

			handleCurrentChange(val) {
        // 当用户点击页面的时候，我们需要同步将模型层中的当前页面字段的值改为用户选中的值
				this.currentPage = val;
				this.getEmployees();
			},

			//获取员工列表
			getEmployees() {
        // 封装请求参数
				let para = {
					currentPage: this.currentPage,
					pageSize: this.pageSize,
					keyword: this.filters.keyword
				};
        // 开启列表忙等
				this.listLoading = true;
				// 发起Axios请求
        this.$http.post("/employee", para)
          .then(result=>{
            // 0.关闭忙等
            this.listLoading = false;
            // 1.给列表模型层对象赋值
            this.employees = result.data.rows;
            // 2.给total赋值
            this.total = result.data.total;
          })
          .catch(result=>{
            this.$message({
              message: '系统繁忙，请重试！',
              type: 'error'
            });
          })
			},

			//删除
			handleDel: function (index, row) {
				this.$confirm('确认删除该记录吗?', '提示', {
					type: 'warning'
				}).then(() => { // 点击确定的时候进入then
          // 1.开启列表忙等
					this.listLoading = true;
          // 2.发送Axios请求
          this.$http.delete("/employee/"+row.id)
            .then(result=>{
              // 1.关闭忙等框
              this.listLoading = false;
              if(result.data.success){ // 绝对删除成功
                this.$message({
                  message: result.data.message,
                  type: 'success'
                });
              }else { // 不一定删除成功，我们也不知道删除成功没有
                this.$message({
                  message: result.data.message,
                  type: 'error'
                });
              }
              // 3.改变当前页页码
              this.currentPage = 1;
              // 4.调用查询列表函数
              this.getEmployees();
            })
            .catch(result=>{
              this.$message({
                message: '系统繁忙，请重试！',
                type: 'error'
              });
            })
				}).catch(() => {
          // 取消进catch
				});
			},

			//显示编辑界面
			handleEdit: function (index, row) {
        this.title = "编辑";
        this.editFormVisible = true;

        // 查询是否获取到当前行的部门id
        console.log(row.department_id)


        this.$http.get("/department/"+row.department_id)
          .then(result=>{
            this.dirPath=result.data.dirPath;
            // 编辑界面的数据回显
            let arr = this.dirPath.split("/");
            let echoArr = [];
            for(var i = 1;i <= arr.length - 1;i++){
              // 将字符Id,转换为int类型放入到新数组中
              echoArr.push(parseInt(arr[i]));

            }
            console.log("11"+echoArr)
            this.editForm = Object.assign({}, row);
            this.editForm.parent=echoArr

          })
      },

			//显示新增界面
			handleAdd: function () {
        this.title = "新增";
				this.editFormVisible = true;
				this.editForm = {
					id:null,
					sn:"",
					name:"",
					state:0,
          manager:{},
          parent:{}
				};
			},

			//编辑
			editSubmit: function () {
				this.$refs.editForm.validate((valid) => {
					if (valid) {
						this.$confirm('确认提交吗？', '提示', {}).then(() => {
							// 开启忙等按钮
              this.editLoading = true;

              // 表单数据拷贝
              let para = Object.assign({}, this.editForm);

              // 当用户选择了上级部门,就进行数据转换操作
              if(para.parent){
                console.log(para.parent)
                para.department_id=para.parent[para.parent.length-1]
              }

              // 发送axios请求
							this.$http.put("/employee",para)
                .then(result=> {

                  // 关闭确定按钮的忙等
                  this.editLoading = false;
                  // 关闭打开的模态框
                  this.editFormVisible=false;

                  // 判断是真成功还是假成功
                  if (result.data.success){
                    this.$message({
                      message: result.data.message,
                      type: 'success'
                    });
                  }else {
                    // 进行提示
                    this.$message({
                      message: result.data.message,
                      type: 'error'
                    })
                  }
                  // 调用函数刷新列表
                  this.getEmployees();
                })
                .catch(result => {
                  // 关闭忙等框
                  this.editLoading = false;
                  // 进行提示
                  this.$message({
                    message: result.data.message,
                    type: 'error'
                  });
                })
						});
					}
				});
			},

			selsChange: function (sels) {
				this.sels = sels;
			},

			//批量删除
			batchRemove: function () {
        // 获取用户选中行的所有Id
				var ids = this.sels.map(item => item.id);
				this.$confirm('确认删除选中记录吗？', '提示', {
					type: 'warning'
				}).then(() => {
          // 开启列表忙等
					this.listLoading = true;
					// 发送Axios请求
          this.$http.patch("/employee", ids)
          .then(result=>{
            // 1.关闭忙等框
            this.listLoading = false;
            if(result.data.success){ // 绝对删除成功
              this.$message({
                message: result.data.message,
                type: 'success'
              });
            }else { // 不一定删除成功，我们也不知道删除成功没有
              this.$message({
                message: result.data.message,
                type: 'error'
              });
            }
            // 3.改变当前页页码
            this.currentPage = 1;
            // 4.调用查询列表函数
            this.getEmployees();
          })
          .catch(result=>{
            this.$message({
              message: '系统繁忙，请重试！',
              type: 'error'
            });
          })

				}).catch(() => {

				});
			}
		},
		mounted() {

      // 钩子函数.页面加载完毕,就获取员工列表
      this.getEmployees();
      // 页面加载完毕,获取部门树
      this.getEmployeeTree();
		}

	}

</script>

<style scoped>

</style>